Volhard titration. A 30.00-mL solution of unknown I2 was treated with 50.00 mL of 0.365 0 M AgNO3. The precipitated AgI was filtered off, and the filtrate (plus Fe31) was titrated with 0.287 0 M KSCN. When 37.60 mL had been added, the solution turned red. How many milligrams of I2 were present in the original solution?

Q: 12-G. Iminodiacetic acid forms 2:1 complexes with many metal ions: CH2CO;H H2N = H3X* CH2CO3H ax2 =…

A:

Q: A 50.00-mL aliquot of solution containing 0.358 of MgSO4 (FM 120.37) in 0.500 L required 38.08 mL of…

A: Solution - According to the question - Given - Total Moles of Mg2+ = moles of MgSO4 = mass/molar…

Q: . Titration of Ca²+ and Mg²+ in a 50.00-mL hard water sample required 23.65 mL of 0.01205 M EDTA. A…

A: A question based on environmental pollution that is to be accomplished.

Q: The B4O5(OH)4^2- ion, present in 5.0 mL of a saturated Na2B4O5(OH)4 solution at a measured…

A: Solubility product for Na2B4O5(OH)4 can be written  as   Ksp =[Na+]2[B4O5(OH)42-]

Q: Use a spreadsheet to generate a titration curve for 10.0 mL of 0.100 M Cro titrated with 0.100 M Ag*…

A:

Q: A 25.00 ml of 0.04132 M Hg,(NO3), was titrated with 0.05789M KIO, Hg,2+ + 210; -> Hg,(103)2(9) For…

A:

Q: 150.0 mL sample of 0.080 M Ca is titrated with 0.080 M EDTA at pH 9.00. The value of log K for the…

A:

Q: Calculate the purity of the Na2CO3 sample.

A: Solution: In Volhard's method we titrate excess of Ag+ ions with SCN- ion with ferric (Fe+3) ion as…

Q: A 150.0 mL sample of 0.080 M Ca2+ is titrated with 0.080 M EDTA at pH 9.00. The value of log Kf for…

A: Given that : The volume of the Ca2+ sample = 150.0 mL Molarity of the Ca2+ sample = 0.080 M Molarity…

Q: 9) Cr³+ reacts slowly with EDTA (Y4-) so it is usually analyzed using back-titration. A 100.0 mL…

A: CaCl2(aq) is a source of Ca2+(aq) that reacts with EDTA(Y4-).  The balanced equations for the…

Q: The Kjedahl procedure was used to analyze 256 µL of a solution containing 37.9 mg protein/mL. The…

A: NH3 +  HCl = NH4Cl HCl + NaOH = H2O  +   NaCl Here, one mole of NH3 reacts with one of  HCl and also…

Q: A 1.0 g sample containing urea was dissolved in water and diluted in a 100.00 mL volumetric flask.…

A: On reaction with sulphuric acid, urea produces ammonia. One mole of urea produces one mole of urea.…

Q: A 1.00 g sample of NaOH which has been exposed to the air  for  some time is dissolve in water and…

A:

Q: A hydrated sample weighing 0.2700 g was shaken with 50.0 mL of anhydrous methanol and titrated with…

A: Solution- Data given-A hydrated sample weighing 0.2700 g, 50.0 mL of anhydrous methanol , 0.0150 M…

Q: Titration of Ca2+ and Mg2+ in a 50.00 mL sample of hard water required 23.65 mL of 0.01205 M EDTA. A…

A:

Q: What is the pCu of the resulting solution if 25.00 mL of 0.400 MEDTA is added to 15.00 mL of 0.250 M…

A: This is a method of quantitative estimation of concentration of unknown solution by titrating it…

Q: A 1.0 g sample containing urea was dissolved in water and diluted in a 100.00 mL volumetric flask.…

A: When Urea  reacts with sulphuric acid then ammonia is produced.  Now this ammonia is treated with…

Q: A 10.0 mL of 0.02M MgCl2 solution is titrated with 0.02 M EDTA. If the conditional constant K4 is 1…

A: The complexation reaction between Mg2+  ions and EDTA ions can be summed as: Mg2++EDTA2-=[Mg-EDTA]…

Q: 2+ Calculate the mass of Cu (At.wt. 63) that titrated iodometrically with I ,then the liberated I,…

A: Molarity = no. of moles/ vol (Lt)

Q: A 50.00-mL aliquot of solution containing 0.395 of MgSO4 (FM 120.37) in 0.500 L required 39.55 mL of…

A:

Q: A 10 mL of a chloride sample was treated with 15 mL of 0.1182 M AgNO3 The excess silver was titrated…

A: given data - volume of chloride sample -10 ml volume of AgNO3 = 15 ml conc. of AgNO3  =  0.1182 M…

Q: A sample is analyzed for chloride by the Volhard method. From the following data, calculate the…

A: Calculation of no. of mol of KSCN: n=Molarity×Volume=0.0930 mol/L×13.20×10-3 L=1.2276×10-3 mol…

Q: Which of the following experiments can be described as a displacement titration?   A.  Calcium in…

A: A displacement titration is a one that involves an analyte displacing a reagent, by forming a…

Q: 1.) A 0.1278-g sample of primary standard Na2C2O4 required exactly 60.04 mL of permanganate solution…

A: Given data,Mass of Na2C2O4=0.1278gVolume of KMnO4=60.04mL=0.06004LVolume of La3+=50mLVolume of…

Q: What are the primary standard substances used in the adjustment of thiosulfate solutions? b.) When…

A: The question is based on the concept of iodometric titration. it is an indirect titration of iodine…

Q: The Kjedahl procedure was used to analyze 256 µL of a solution containing 37.0 mg protein/mL. The…

A: Given that,Volume of HCl = 5.00 mL.Molarity of HCl = 0.0336 M.Volume of NaOH = 6.34 mL.Molarity of…

Q: A 0.1214-g sample of impure Na2CO3 was analyzed by the Volhard method. After adding 50.00 mL of…

A: The net ionic equation is given below

Q: A 120.0 mL sample of 0.040 M Ca²+ is titrated with 0.040 M EDTA at pH 9.00. The value of log Kf for…

A: COMPEXOMETRIC TITRATION Complexometric titration reactions are those reactions in which coloured…

Q: A 10 mL of a chloride sample was treated with 15 mL of 0.1182 M AgNO3 The excess silver was titrated…

A: Given: The volume of AgNO3 = 15 mL = 15 x 10-3L The molarity of AgNO3 = 0.1182 M The volume of SCN-…

Q: Salt MgCO3 Mg(OH)2 Theoretical Ksp 3.5 x 10-8 1.8 x 10-11 For the standardization of the HCI…

A: Dear student acc to bartleby guidelines I can solve only first three subparts of the posted…

Q: 2. You are measuring the Fe(lI) content of a sample of FeCl2.4H20. You weighed out 1.20g FeCl2.4H20…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The sulfate in a247.1 mg sample was precipitated as BasO4 by addition of 25.00 mL of 0.03992 M…

A: Given: Mass of sulfate         = 247.1 mg Volume of BaCl2       = 25.00 mL Molarity of of BaCl2  =…

Q: Salt Theoretical Ksp MGCO3 3.5 x 108 Mg(OH)2 1.8 x 10-11 For the standardization of the HCl titrant,…

A:

Q: An aqueous solution of 0.2100 g of a mixture containing potassium cyanide and potassium chloride…

A: Given that -  Mass of mixture of potassium cyanide, KCN and potassium chloride , KCl = 0.2100 g…

Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

A: Reaction taking place is, Reaction of KSCN with excess AgNO3 is,

Q: 23A 0.20 g sample of primary standard Na2C204 (134 g/mol) needed 37.22 mL of of KMNO4 solution to…

A: 1) Mass of Na2C2O4 = 0.2g Molar mass of Na2C2O4 = 134g/mol Volume  of KMnO4 = 37.22ml Molarity of…

Q: A cyanide solution with a volume of 12.99 ml was treated with 30.00 mL. of Ni solution (containing…

A:

Q: Excess solid Ni(OH)2 was added to water and the resulting solution was allowed to stand for several…

A: In order to find Ksp, we need dissociation equation of Ni(OH)2(s) and equation for reaction with…

Q: The ethyl acetate concentration in an alcoholic solution was determined by diluting a 10.00-mL…

A:

Q: 2. What concentration of OH is required to begin the precipitation of Cu(OH)2 from a solution…

A: Given, Concentration of Cu2+ = [Cu2+] = 0.10 M  Ksp for Cu(OH)2 = 2.2 × 10-20 Concentration of OH- =…

Q: a. What is the solubility of silver chromate in 0.0600 M silver nitrate solution with a Ksp = 1.0 x…

A: Subpart a: Ksp for Ag2CrO4 is given below, Molar solubility of silver chromate can be taken as s.…

Q: SHOW SOLUTION A 0.7120 g of iron ore was brought into solution and passed through a Jones reductor.…

A: Given that -  Balanced Chemical equation is -  5Fe+2 + MnO4 - + 8H+ → 5Fe+3 + Mn +2 + 4H2O  Mass of…

Q: *SHOW COMPLETE SOLUTION* A 4.971g sample containing the mineral tellurite was dissolved and then…

A: Solution - According to the question - Given - 3TeO2 + Cr2O72- + 8H+ ---> 3H2TeO4 + 2 Cr3+ + H2O…

Q: A 1.0 g sample containing urea was dissolved in water and diluted in a 100.00 mL volumetric flask.…

A: Given information, Mass of sample = 1.0 g Molarity/Concentration of HCl = 0.0500 M  Volume of HCl =…

Q: In order to adjust the Potassium Permanganate solution, 0.0544g Na2C2O4 was taken and necessary…

A:

Q: An unknown solution containing 25.00 mL of Ni2+ in dilute HCl is treated with a known excess of…

A: Given, Ni2+=25.0 mLEDTA= 25.0 mLConcentration of EDTA =0.05382 MZn2+=0.02299 MVolume= 17.0 mL

Q: What is the molar solubility of PbCl2 in a solution of 0.23 M CaCl2? Ksp = 1.6 ✕ 10-5 for PbCl2.

A: 1. Solubility product constant Ksp is an equilibrium constant that is defined as the product of the…

Q: What is the % Ca of the limestone.

A: Weight of lime stone sample = 400 mg Sample dissolved in acid and treated with excess sodium…

Q: Report the %w/w KCl and NaBr in the sample.

A: %w/w is used to calculate the concentration. formula, %w/w=mass of element in gramsmass of sample…